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Add AutomorphicNumber (#3735)

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This commit is contained in:
Taranjeet Singh Kalsi
2022-11-03 18:25:48 +05:30
committed by GitHub
parent dfe733f777
commit 37db41fd6b
2 changed files with 59 additions and 44 deletions
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21
src/test/java/com/thealgorithms/maths/AutomorphicNumberTest.java
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@ -1,16 +1,25 @@
package com.thealgorithms.maths;
import static org.assertj.core.api.Assertions.assertThat;
import static org.junit.jupiter.api.Assertions.*;
import org.junit.jupiter.api.Test;
public class AutomorphicNumberTest {
@Test
void testAutomorphicNumber() {
assertThat(AutomorphicNumber.isAutomorphic(625)).isTrue();
assertThat(AutomorphicNumber.isAutomorphic(144)).isFalse();
assertThat(AutomorphicNumber.isAutomorphic(9376)).isTrue();
assertThat(AutomorphicNumber.isAutomorphic(169)).isFalse();
int trueTestCases[] = { 0, 1, 25, 625, 12890625};
int falseTestCases[] = { -5, 2, 26, 1234 };
for (Integer n : trueTestCases) {
assertTrue(AutomorphicNumber.isAutomorphic(n));
assertTrue(AutomorphicNumber.isAutomorphic2(n));
assertTrue(AutomorphicNumber.isAutomorphic3(String.valueOf(n)));
}
for (Integer n : falseTestCases) {
assertFalse(AutomorphicNumber.isAutomorphic(n));
assertFalse(AutomorphicNumber.isAutomorphic2(n));
assertFalse(AutomorphicNumber.isAutomorphic3(String.valueOf(n)));
}
assertTrue(AutomorphicNumber.isAutomorphic3("59918212890625")); // Special case for BigInteger
assertFalse(AutomorphicNumber.isAutomorphic3("12345678912345")); // Special case for BigInteger
}
}